asp.net jquery ajax pass parameter instance _javascript skill

First: Get delivery

Foreground Ajax Get delivery: That is, after the requested address plus parameters, url address length is displayed, low security

Background receive: request.querystring["parameter name"]!

For example:

function Loadbar (ID) { 
  var project = ID; 
  var month = $ ("#txtMonth"). Val (); 
  $.ajax ({ 
    type: "Get", 
    async:false, 
    url: ' getprojectscore.aspx?project= ' + project + ' &month= ' + month, 
    dataType: ' json ', 
    beforesend:function () { 
    }, 
    success:function (msg) { 
      if (msg) 
        { OptionBar.xAxis.categories = eval (msg.projectscore.orgname); 
        Optionbar.series = eval (msg.projectscore.series); 
        var t = eval ("+ subtitle +")); 
        Optionbar.subtitle = T.subtitle; 
        Chart = new Highcharts.chart (Optionbar); 
      } 
    , 
    error:function () { 
      alert (' Error! '); 
    }} 
  );

The second type: Post delivery

2.1 Strings passed as parameters

That is, the parameters passed are passed in the form of a string. Datatype= "Text";

Foreground Ajax POST Delivery: A request to submit the form data to the server, and the data to be submitted is in the entity behind the header of the message.

Background receive: request.form["parameter name"]

For example:

$ ("Input[name=returnfile]"). Click (function () { 
           var Returnflag = $ (this). Val (); 
           var guid = $ (this). Prev (). html (); 
           $.ajax ({ 
             type: "POST", 
             async: "false", 
             URL: "returndata.aspx", 
             data: "flag=" + Returnflag + & Guid= "+guid+" ", 
             success:function () { 
             } 
           }); 
         })

Background receive:

String flag=request.form["flag"];

String guid=request.form["GUID"];

2.2 JSON as a parameter pass

The parameters passed are passed in the form of a JSON string. Datatype= "JSON";

Foreground Ajax POST Delivery: A request to submit the form data to the server, and the data to be submitted is in the entity behind the header of the message.

Background receive:

StreamReader reader=new StreamReader (Request.inputstream);

String str = reader. ReadToEnd ();

For example:

$ ("Input[name=returnfile]"). Click (function () { 
           var Returnflag = $ (this). Val (); 
           var guid = $ (this). Prev (). html (); 
           var str = ' {' flag ': ' + Returnflag + ', ' guid ': ' + GUID + '} '; 
           var json = eval ("+ JSON +")); 
           $.ajax ({ 
             type: "POST", 
             async: "false", 
             URL: "khdf_returndata.aspx",

             dataType: "JSON" 
             data: JSON, 
             success:function () { 
             } 
           }); 
         

Background receive:

StreamReader reader=new StreamReader (Request.inputstream);

String str = reader. ReadToEnd ();

After reading Newtonsoft do JSON processing

2.3 JSON as a parameter pass

$ (function () {
      $ (' #btnLogin '). Click (function () {
        //var username = $ ("#txtUserName"). Val ();
        var password = $ ("#txtPassword"). Val ();
        var paras = "Username=" + username + "&password=" + password;
        Alert (paras);
        var data = {
          Username: $ ("#txtUserName"). Val (),
          password:$ ("#txtPassword"). Val ()
        }
        $.post ("home/ Checklogin ", data, function (data) {
          alert (data)})
    })

If you follow 2.2post. You must add: ContentType: "Application/json"

Background receive:

[HttpPost]
    Public ActionResult checklogin (string username,string password)
    {
      string name = Username;
      string pwd = password;
      return View ();
    }

The above is a small series for you to bring the asp.net jquery ajax pass the parameters of the instance of all the content, I hope that we support the cloud-Habitat Community ~